Does Social Media Impact Adolescent Mental Health?

This study explores whether getting a first smartphone affects the mental health of young teenagers. Researchers will follow adolescents over time after they receive their first phone to see if and how social media use influences their wellbeing. **You may be eligible if...** - Your child is between 10 and 14 years old - Your child is about to receive their very first smartphone - Both parents or guardians agree to participate - Your child agrees to participate - Your child reads and speaks English well enough to complete surveys **You may NOT be eligible if...** - Your child has severe developmental challenges (such as severe autism or significant language delays) - Your child has been diagnosed with a moderate or severe mental illness - Your child has ever experienced thoughts of suicide Talk to your doctor to see if this trial is right for you.